ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,620, issued on Nov. 11, was assigned to Universal Trim Supply Co. Ltd. (New Taipei, Taiwan).
"One-way valve and related container kit" was invented by Shih-Sheng Yang (Taipei, Taiwan), Chih-Wei Yang (Taipei, Taiwan) and Po-Jen Chen (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A one-way valve adapted for a container is provided and includes an upper portion, a lower portion and a plurality of protrusions. The upper portion is resiliently deformable. The lower portion is integrally connected to the upper portion. The plurality of protrusions protrude from the lower portion toward the upper portion and separated from the upper portion...